Outburst Monitoring Scale (OMS)

The Outburst Monitoring Scale is a 20-item measure of verbal and physical aggression directed toward self, property, or others, which can be rapidly completed in under 5 minutes by a caregiver and scored in under 1 minute with no special software or conversion tables. It is a psychological test intended for use only by qualified professionals. Information about the OMS can be obtained from the links below. Before using the scale, you must obtain permission from the scale author, William Kronenberger, Ph.D., at wkronenb@iupui.edu. You will be provided with a free password to access the files at that time.

OMS Permissions and Use Document:

Required Instructions and General Use of the OMS

OMS Scoring and Interpretation:

Scoring and interpretation of the OMS are based on data and results from the OMS scale development article (see below for reference)

OMS Parent- or Teacher-Report Scale – Administration Version:

The parent- or teacher-report version of the OMS

References for the OMS:

• Kronenberger, W. G., Giauque, A. L., & Dunn, D. W. (2007). Development and validation of the Outburst Monitoring Scale for children and adolescents. Journal of Child and Adolescent Psychopharmacology, 17(4), 511-526. Describes psychometrics and scoring for the OMS